lib/led: add BREATHE mode (but not implemented yet)

msg/led_control.msg

@@ -19,7 +19,7 @@ uint8 MODE_DISABLED = 2  # disable this priority (switch to lower priority setti
 uint8 MODE_BLINK_SLOW = 3
 uint8 MODE_BLINK_NORMAL = 4
 uint8 MODE_BLINK_FAST = 5
-# uint8 MODE_BREATHE = 6 # not implemented (yet)
+uint8 MODE_BREATHE = 6 # continuously increase & decrease brightness (solid color if driver does not support it)
 
 uint8 MAX_PRIORITY = 2 # maxium priority (minimum is 0)
 

src/lib/led/led.cpp

@@ -179,6 +179,7 @@ void LedController::get_control_data(LedControlData &control_data)
 
 			switch (cur_data.mode) {
 			case led_control_s::MODE_ON:
+			case led_control_s::MODE_BREATHE: // TODO: handle this properly
 				control_data.leds[i].color = cur_data.color;
 				break;